What this line means
Total federal income tax withheld as reported on W-2s, 1099s, and other information returns. On an amended return, this amount rarely changes — your withholding was what it was. Column A and Column C are usually the same. The only reason to change this line is if you received a corrected W-2 or 1099 showing different withholding, or if you omitted a withholding document from the original return.
Does this apply to you?
- You received a corrected W-2c or corrected 1099 showing different withholding
- You forgot to include withholding from a 1099-R or SSA-1099 on your original return
- You discovered a W-2 from a short-term job that was not included in your original return
- You are verifying that withholding amounts carry over unchanged to the amended return
Easy to overlook
A missing W-2 adds both income and withholding If you are amending to add a missing W-2, both line 1 (AGI) and line 11 (withholding) change. Filers who add the income but forget to add the withholding from Box 2 of the missing W-2 overstate the amount they owe on the amendment. 1 IRS Form 1040-X Instructions — Line 11
Withholding from the original return should match the IRS record Column A must match what you reported on your original return. If you transposed digits on the original and claimed more withholding than your W-2 shows, the IRS already adjusted your account. Use the withholding from your actual information returns (W-2 Box 2, 1099 federal tax withheld), not the incorrect amount from your original return. 2 General filing pattern — withholding amounts rarely change on amendments
Watch out for this
Entering a new withholding amount that does not match any information return the IRS has on file. The IRS matches withholding claims against W-2 and 1099 data. If you claim withholding that no employer or payer reported, the credit is denied and you owe the difference plus interest.
Footnotes
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IRS Form 1040-X Instructions, Line 11. https://www.irs.gov/instructions/i1040x ↩
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IRS Publication 505, Tax Withholding and Estimated Tax, Checking Your Withholding. https://www.irs.gov/pub/irs-pdf/p505.pdf ↩